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Installation and electrical connection
16
WILO SE 2020-12
6.4.1.1
Inlet mode
4xØ
1x
Ø
>2xØ
Ø = min. 65 mm
Qmax.: 1.8 m/s
MIN
MAX
V = min. 2/3
max. 2 m
Fig. 4:
Example of installation: Inlet mode
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At least 2/3 of the useable volume of the water tank is located above the centre line
of the pump.
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The centre line of the pump must not be located more than 2 m above the lowest
water level in the water tank.
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Suction line diameter: min. 65 mm.
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Flow rate in the suction line: max. 1.8 m/s at maximum volume flow.
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Install a suction strainer in the suction line:
–
Diameter: at least 1.5 times the nominal diameter of the suction line
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Grain/particle size: max. 5 mm
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Install a shut-off valve between the filter and the water tank.